Don't include Cedar-iOS as a header directory in the Podspec
Don't include Cedar-iOS as a header directory in the Podspec

- This effectively namespaces the Cedar headers, preventing:
`#import "CDRSpecHelper.h`
and instead requiring:
`#import "Cedar-iOS/CDRSpecHelper.h`

tjarratt/cedar,hsienchiaolee/cedar,irfanah/cedar,idoru/cedar,jeffh/cedar,tjarratt/cedar,hsienchiaolee/cedar,pivotal/cedar,irfanah/cedar,pivotal/cedar,briancroom/cedar,jeffh/cedar,idoru/cedar,irfanah/cedar,tjarratt/cedar,pivotal/cedar,idoru/cedar,pivotal/cedar,idoru/cedar,hsienchiaolee/cedar,tjarratt/cedar,briancroom/cedar,hsienchiaolee/cedar,briancroom/cedar,pivotal/cedar,jeffh/cedar,irfanah/cedar,briancroom/cedar,jeffh/cedar,jeffh/cedar,tjarratt/cedar,idoru/cedar,briancroom/cedar